Pith Number

pith:IQ7H7XM7

pith:1997:IQ7H7XM7NL47AENWQAGVPJQ4I2

not attested not anchored not stored refs pending

Interpolating hereditarily indecomposable Banach spaces

Spiros A. Argyros, V. Felouzis

arxiv:math/9712277 v1 · 1997-12-19 · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IQ7H7XM7NL47AENWQAGVPJQ4I2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:05:34.529873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

443e7fdd9f6af9f011b6800d57a61c46bf72b04b0b68004838fcb360917f83bc

Aliases

arxiv: math/9712277 · arxiv_version: math/9712277v1 · doi: 10.48550/arxiv.math/9712277 · pith_short_12: IQ7H7XM7NL47 · pith_short_16: IQ7H7XM7NL47AENW · pith_short_8: IQ7H7XM7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IQ7H7XM7NL47AENWQAGVPJQ4I2 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 443e7fdd9f6af9f011b6800d57a61c46bf72b04b0b68004838fcb360917f83bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a3a154d5550fbf11ac84fc7da64bb658dc7b6374eaba95f49bfda9f0fd527ab",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.FA",
    "submitted_at": "1997-12-19T00:00:00Z",
    "title_canon_sha256": "17909850b99286ea1d9a42c0cb4f836757ab4773f336b12788997e24545ce3a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9712277",
    "kind": "arxiv",
    "version": 1
  }
}